A while back, we had a chance to review the GlacialTech Igloo 5750 Silent CPU cooler, which we found to be an average-performing cooler with good sound performance. But what happens if you sacrifice a little noise; will it result in better cooling? We get to chance to test out that theory when we look at the similarly designed GlacialTech Igloo 5750 PWM CPU Cooler. Let’s find out if the sacrifice is worth it.